A river narrows at a rapids from a width of 12 m to a width of only 5.6 m. The depth of the river before the rapids is 3.0 m; the depth in the rapids is 0.75 m. Part A Find the speed of water flowing in the rapids, given that its speed before the rapids is 1.2 m/s. Assume the river has a rectangular cross section. Express your answer using two significant figures. V= -5| ? m/s is HOMS in re m SI ja ns pt